Multiple Synchronous CSF-Venous Fistulas in Spontaneous Intracranial Hypotension: A Multi-Institutional Case Series
Bibliographic record
Abstract
<h3>ABSTRACT</h3> CSF-venous fistulas are a common cause of spontaneous intracranial hypotension. Due to the more routine use of decubitus myelography and advancements in various imaging techniques, recognition of CSF-venous fistulas has increased in recent years. Most commonly, patients harbor only one fistula at the time of myelography (although additional de novo fistulas can arise after treatment). Occasionally, two synchronous CSF-venous fistulas may be seen on a single myelogram. The co-existence of more than two CSF-venous fistulas, however, is quite rare and has only been previously described in two instances. Here, we present a multi-institutional series of sixteen patients with three or more concurrently discovered CSF-venous fistulas, representing the largest cohort of such patients to date. We describe their clinical features, imaging findings, treatment approaches, and outcomes. ABBREVIATIONS: CVF = CSF-venous fistula; CB-CTM = cone beam CT myelogram; DSM = digital subtraction myelography; EID = energy integrating detector; SIH = spontaneous intracranial hypotension; PCD = photon counting detector
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".